mail.alpha.net.cy has no CNAME records.
Question and response
Question
dig mail.alpha.net.cy. NS
Answer
The response has no answer records.
Authority
alpha.net.cy. 1800 SOA logan.ns.cloudflare.com. dns.cloudflare.com. 2396996082 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0